ICD-10-CM · Chapter 11 · K00-K95
K63 Other diseases of intestine
Subcodes
Subcodes are listed below for reference. Detail pages are not available for chapters 11–22.
| Code | Description | Billable |
|---|---|---|
| K63..0 | Abscess of intestine | Yes |
| K63..1 | Perforation of intestine (nontraumatic) | Yes |
| K63..2 | Fistula of intestine | Yes |
| K63..3 | Ulcer of intestine | Yes |
| K63..4 | Enteroptosis | Yes |
| K63..5 | Polyp of colon | Yes |
| K63..8 | Other specified diseases of intestine | No |
| K63..81 | Dieulafoy lesion of intestine | Yes |
| K63..82 | Intestinal microbial overgrowth | No |
| K63..821 | Small intestinal bacterial overgrowth | No |
| K63..8211 | Small intestinal bacterial overgrowth, hydrogen-subtype | Yes |
| K63..8212 | Small intestinal bacterial overgrowth, hydrogen sulfide-subtype | Yes |
| K63..8219 | Small intestinal bacterial overgrowth, unspecified | Yes |
| K63..822 | Small intestinal fungal overgrowth | Yes |
| K63..829 | Intestinal methanogen overgrowth, unspecified | Yes |
| K63..89 | Other specified diseases of intestine | Yes |
| K63..9 | Disease of intestine, unspecified | Yes |
Last reviewed: September 2026